3,3’,5,5’-Tetramethylbiphenyl-4,4’-diol CAS 2417-04-1
| CAS No. | 2417-04-1 |
| Molecular Formula | C16H18O2 |
| Molecular Weight | 242.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3,3’,5,5’-Tetramethylbiphenyl-4,4’-diol (CAS 2417-04-1), molecular formula C16H18O2 and molecular weight 242.31 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3,3’,5,5’-Tetramethylbiphenyl-4,4’-diol (C16H18O2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 242.31 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 3,3’,5,5’-Tetramethylbiphenyl-4,4’-diol meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C16H18O2 |
| Molecular Weight | 242.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Tetramethylbiphenyl Standards
Recommended Standards
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- 5-chloro-3-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1033463-33-0)
- Methyl 1-propyl-1H-imidazole-5-carboxylate (CAS 149096-33-3)
- D-Ser32-Tirzepatide (CAS CATO-CPTD788677)
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